A quick introduction to this online tool comes from the official website , see this:
GDevelop runs on Windows, macOS and most recent Linux distributions.
You can also try it online using Chrome, Firefox or another recent web browser.
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GDevelop is an open-source project.
This is tool can be used on your desktop with most operating systems but also online.
I tested it and it's easy to use and come with default examples and sample.
The result can be used on web or like application.
For Android applications you need to install it on your desktop.
